crystal을 oscillator로 바꾸고 W5500 칩이 동작하지 않습니다.
Ethernet Chips
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RE: crystal을 oscillator로 바꾸고 W5500 칩이 동작하지 않습니다.
by teddy ·
안녕하세요
회로 상으로는 특별히 이상해 보이는 곳은 없어 보입니다
근데 GNDE와 GND는 어떻게 연결되어 있는지 궁금합니다.
VDD 쪽에는 +3.3V와 GND로 연결괴어 있는데 oscilator 쪽은 +3.3VE와 GNDE와 연결되어 있어서 의문이 듭니다.
감사합니다.